1) Tony and Ben tennis. (to play)2) I in the river. (to swim)3) Betty to close the window. (to forget)4) We our grandparents. (to look after)5) Ben music at home in the afternoons. (to listen to)6) They hello. (to say)7) Bob his umbrella. (to lose)8) I and my sister our cat. (to like)9) The dog under the tree. (to sit)10) Alice her exam. (to write)